1210020020441 has 8 divisors (see below), whose sum is σ = 1213212265800. Its totient is φ = 1206830972160.

The previous prime is 1210020020411. The next prime is 1210020020449. The reversal of 1210020020441 is 1440200200121.

It can be written as a sum of positive squares in 4 ways, for example, as 477797530441 + 732222490000 = 691229^2 + 855700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210020020441 - 2¹⁴ = 1210020004057 is a prime.

It is a super-3 number, since 3×1210020020441³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1210020020449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40370 + ... + 1556171.

It is an arithmetic number, because the mean of its divisors is an integer number (151651533225).

Almost surely, 2^{1210020020441} is an apocalyptic number.

It is an amenable number.

1210020020441 is a deficient number, since it is larger than the sum of its proper divisors (3192245359).

1210020020441 is a wasteful number, since it uses less digits than its factorization.

1210020020441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598539.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1210020020441 its reverse (1440200200121), we get a palindrome (2650220220562).

The spelling of 1210020020441 in words is "one trillion, two hundred ten billion, twenty million, twenty thousand, four hundred forty-one".